Synonyms: Fluorene-D9,a-malononitrile, 2,7-dinitro- (8CI); Propanedinitrile,(2,7-dinitro-9H-fluoren-9-ylidene)- (9CI);2,7-Dinitro-9-dicyanomethylenefluorene;2,7-Dinitrofluoren-9-ylidenemalononitrile;9-Dicyanomethylene-2,7-dinitrofluorene; Dicyanomethylene-2,7-dinitrofluorene